AlHijjah 25, 1433, Nov 10, 2012, SPA -- Seven police officers were killed in an ambush on Saturday in central Kenya as they attempted to arrest cattle rustlers, according to officials. At least 20 officers sustained injuries in the attack, while 10 are missing, Capital FM quoted police officials as saying. According to dpa, the cattle rustlers thought to be behind the ambush are accused of killing more than a dozen people in the past month.